How To Fix CM_VAI029 - Customizing settings allow only one instance for value assignment type &1

SAP Error Message - Details

• Message type: E = Error

• Message class: CM_VAI - EHS-BAS: Table-Based Value Assignment

• Message number: 029

• Message text: Customizing settings allow only one instance for value assignment type &1

How to fix this error?

You can only enter one <DS:GLOS.3621B3A9B2CE569BE10000009B38F9B7>value
assignment instance</> in the value assignment type &V1&. If you want to
enter more than one value assignment instance, notify your system
administrator.

Procedure for System Administrators

Deselect the <LS>Single instance</> indicator in the definition of the
value assignment type &V1& in Customizing.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CM_VAI029 - Customizing settings allow only one instance for value assignment type &1 ?

  The SAP error message CM_VAI029 indicates that the customizing settings in your SAP system allow only one instance for a specific value assignment type. This typically occurs in the context of SAP's Variant Configuration (VC) or similar areas where value assignment types are used to manage characteristics and their values.
  Cause:
  The error arises when you attempt to create or assign multiple instances of a value assignment type that is configured to allow only a single instance. This can happen due to:
  
  Customizing Settings: The customizing settings for the value assignment type have been defined to allow only one instance.
  Incorrect Configuration: There may be a misconfiguration in the variant configuration settings or in the material master data.
  Data Model Issues: The data model may not support multiple instances for the specific value assignment type you are trying to use.
  
  Solution:
  To resolve the CM_VAI029 error, you can take the following steps:
  
  
  Check Customizing Settings:
  
  Go to the customizing settings for the value assignment type in transaction SPRO.
  Navigate to the relevant section for Variant Configuration and check the settings for the value assignment type in question.
  If necessary, modify the settings to allow multiple instances if that aligns with your business requirements.
  
  
  
  Review Material Master Data:
  
  Check the material master data associated with the value assignment type.
  Ensure that the characteristics and their values are correctly defined and that there are no conflicting settings.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help files related to Variant Configuration and value assignment types to understand the implications of your settings.
  
  
  
  Testing:
  
  After making changes, test the configuration by attempting to create or assign the value assignment type again to ensure that the error is resolved.
  
  
  
  Seek Help from SAP Support:
  
  If you are unable to resolve the issue through the above steps, consider reaching out to SAP support or consulting with an SAP expert who can provide more tailored assistance based on your specific configuration and requirements.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SPRO (Customizing), CU01 (Create Configuration Profile), and CU02 (Change Configuration Profile) for managing variant configuration settings.
  SAP Notes: Check for any SAP Notes related to the error message CM_VAI029, as they may provide additional insights or patches that could resolve the issue.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.